Disconnect/Connect Transmission Oil Line - AR27.10-P-0501-03LW

TRANSMISSION 722.9 in MODEL 205 

Fig 1: Identifying Record Plug (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA

Detach oil line 

1. Clean separating point and surrounding area thoroughly.

   Ensure scrupulous cleanliness.

   Even the smallest dirt particles in the hydraulic components can lead to malfunctions or even a total failure of the transmission.

2. Release dust cap (3) and push back along oil line (1) until connector (2) is accessible.
3. Position a suitable tool (e.g. hook) at one end of the retaining clamp (2a) and pull the retaining clamp (2a) off the connector (2).
4. Pull oil line (1) out of connector (2) and seal connections .
5. Pull off dust cap (3) from oil line (1).

   Courtesy of MERCEDES-BENZ USA

   Install oil line 

   The safety clamp (2a) must be replaced each time a oil line is detached.

   The safety clamp (2a) must not be pushed straight over the connector (2).

   The safety clamp (2a) will otherwise be overstretched and correct sealing of the connection can no longer be assured.

   Courtesy of MERCEDES-BENZ USA

6. Insert one end of new securing clamp (2a) into a cutout (2b) of connector (2).
7. Push securing clamp (2a) in direction of arrow until it fully engages in connector (2).

   Courtesy of MERCEDES-BENZ USA

   Courtesy of MERCEDES-BENZ USA

8. Push dust cap (3) onto oil line (1).
9. Introduce oil line (1) straight into the connector (2) until it audibly and noticeable latches.
10. Push dust cap (3) onto the connector (2) until it latches and can turn freely.

    If the dust cap (3) cannot be pushed over the connection, the oil line (1) is not fully engaged in the connector (2) or the safety clamp (2a) is overstretched.

    Courtesy of MERCEDES-BENZ USA